That's absurd. Spotify is not the only place you can publish a podcast.
This is absolutely Young pulling an authoritarian "You're not allowed to hear things I don't like" move. There's really no other way to spin it. Disagreement with people is great, to then take the next step and say that others should not get access to the things I do not like.... well that's just a step another rung up the authoritarian/fascist ladder. It's a elitist control freak mindset.
It's so opposite of what his music is supposedly about you have wonder whether he's just been a sellout this whole time.